通过正交试验法优化出了使用配方。
方法：采用正交试验法。
运用正交试验法，研究H13钢气体渗氮工艺。
The gas nitriding technology of H13 steel was studied by an orthogonal test.
正交试验法在应用过程中均存在一些不容忽略的问题。
Orthogonal trial method still has some problems that can not be ignored in practice.
以芒果为原料，采用正交试验法优选出的最佳芒果发酵条件。
Mango chosen as material, orthogonal experimental method is used to make fermented alcohol.
以芒果为原料，采用正交试验法优选出的最佳芒果发酵条件。
Mango chosen as material, orthogonal experimental method is used to make fermented alcohol.
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